- 20 SIP accounts for up to 20 handsets
- Call Lists for dialed, received, missed calls
- Directory with 50 entries (M25 handset)
- Central directory on the base station with LDAP support
- Multiple language support
- Out-of-band DTMF/SIP INFO DTMF
- Interoperable with all major SIP-PBX platforms
- Over the air firmware update